National Stock Number
4140-00-274-5798
National Stock Number (NSN) 4140-00-274-5798, or NIIN 002745798, (fan,ventilating) was assigned January 1, 1963 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN does not replace any other NSNs.
There are 4 manufacturer part numbers associated with this NSN. One of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 3 suppliers. Today, 2 suppliers are listed as Active suppliers for this NSN. Of the active suppliers, 2 suppliers are deemed design controlled or valid supply parts.
This part number has not been procured by the US Government in over 5 years.
This NSN is assigned to Item Name Code (INC) 04262. [A NONPOSITIVE DISPLACEMENT MECHANICAL DEVICE HAVING EITHER AN AXIAL OR CENTRIFUGAL FAN IMPELLER. IT IS DESIGNED TO MOVE FREE AIR OR GAS FROM INDOORS TO OUTDOORS OR VICE VERSA OVER A WIDE RANGE OF VOLUMES AT LOW PRESSURES. IT IS SUPPORTED BY A RING, PLATE, OR SHROUD OR MAY BE INCLOSED IN A HOUSING. IT IS DESIGNED FOR INSTALLATION IN A WINDOW, ROOF OR WALL OPENING, OR THE LIKE.]. This item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application. There is no data in the HMIRS and the NSN is in an FSC not generally suspected of containing hazardous materials. NSN 4140002745798 contains an unknown precious metal.
This NSN is associated to Schedule B 8414599080: fans, nesoi. The Schedule B End Use is listed as household appliances.
This information was last updated on Aug 01, 2025.